Email Authentication

cogentco.com

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 mx a:engtools.sys.cogentco.com a:mx1.cogentco.com a:mx2.cogentco.com a:mx3.cogentco.com a:mx4.cogentco.com a:mx5.cogentco.com ip6:2001:550:1:304::247 include:cvent-planner.com include:_spf.act-on.net ~all

DKIM

none

Cryptographic signature on outbound mail (selector: none).

No record published.

DMARC

warning

Tells receivers what to do with mail that fails SPF/DKIM. Policy: none.

v=DMARC1; p=none;

Mail Servers (MX)

5 cogentco-com.mail.protection.outlook.com

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